Net-Hotline - A set of modules for utilizing the Hotline bulletin board systems protocol in a Perl environment.

Free HL Iconlib - A free and opensource Java library for extracting icons and software GIF-images from the hotline.dat file of the Hotline software provided software by Hotsprings, Inc.

HotlineX - Free set of software using the Hotline protocols, hotline providing Hotline application suites that can run hotline on GNU/Linux, OS X and Unix. Provides release hotline information for the base HXD products as well hotline as mHXD.